CVE-2026-63718

VendorapacheProducthttp serverDiscoveredOct 1, 2026UpdatedOct 6, 2026

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') response smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi and a crafted uwsgi response with Transfer-Encoding. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.68.

View graph Watch Export

CVSS v3.1

7.5 HIGH

EPSS

0.43%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

Intelligence Reports1

1 intelligence report available

Curated threat research and citations from CrowdStrike, Mandiant, Microsoft, and other sources — unlock with Premium.

Upgrade to Premium

EPSS Trend

Oct 3, 2026 → Oct 26, 2026

▲ 0.12pp

0.32% → 0.43% over 3 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

ScopeUNCHANGED

ConfidentialityNONE

IntegrityHIGH

AvailabilityNONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Connections

2 relationships

CWE-444

source

Timeline

disclosure → media coverage

Oct 1, 2026

Disclosure — published as a CVE record. · last revised by NVD Oct 6, 2026